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Test your basic knowledge |
DSST Physical Sciences Principles
Start Test
Study First
Subjects
:
dsst
,
science
Instructions:
Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A temperature of -10 degrees celsius is equivalent to...
Waves and particles
263 degrees kelvin
Mechanical - chemical - and radiant energy
Newtons third principle of Universal Gravitation
2. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Newtons third principle of Universal Gravitation
Difference between the heat supplied and the heat exhausted
Disorder
Newtons second principle of Universal Gravitation
3. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Momentum
Near a maximum
Means less power is transmitted
Increasing speed and constant acceleration
4. The ozone hole results from...
Decreased
Halogen radicals interfering in ozone synthesis
Sulfur
Less on the moon
5. The reason that a spear fisherman cannot see where the fish is actually located is...
Third principle of Centripetal force
Difference in the sped of light in water vs. air
Might stay the same
Less on the moon
6. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Waste heat for secondary uses
Twice the work
Newtons third principle of Universal Gravitation
12 miles per hour
7. When you add heat to a substance - its temperature...
First principle of Centripetal force
Might stay the same
Heat of fusion
Difference in the sped of light in water vs. air
8. At a given speed - the centripetal force - the smaller the circle.
Third principle of Centripetal force
Heat of fusion
Near a maximum
Sulfur
9. The theoretical production curve of oil indicates oil production is...
Waste heat for secondary uses
Halogen radicals interfering in ozone synthesis
Near a maximum
Heat of fusion
10. If a charging elephant has kinetic energy - it must also have...
Sulfur
Heat of fusion
First principle of Centripetal force
Momentum
11. The weight of one kilogram of iron on earth is...
263 degrees kelvin
Less on the moon
Sulfur
Decreased
12. All objects with mass are attracted to another by the gravitational force
First principle of Centripetal force
Twice the work
Newtons first principle of Universal Gravitation
Waste heat for secondary uses
13. In burning coal - what contaminant is of major concern as a pollutant...
Sulfur
5 m/s
Newtons first principle of Universal Gravitation
Third principle of Centripetal force
14. The gravitational force - two masses are directly proportional to the mass of each object
Remains unchanged
Newtons second principle of Universal Gravitation
Less on the moon
Means less power is transmitted
15. cogeneration uses...
Sulfur
Universal
Waste heat for secondary uses
Twice the work
16. The work that a heat engine is able to accomplish is ideally equivalent to the
Universal
Sulfur
Waste heat for secondary uses
Difference between the heat supplied and the heat exhausted
17. Heat is the...
Halogen radicals interfering in ozone synthesis
Waves and particles
Newtons first principle of Universal Gravitation
Total internal energy of an object
18. In a generator - the flow of electrons (current) is created by...
Movement
Waves and particles
Remains unchanged
Total internal energy of an object
19. Raising an auto in a service station requires work. Raising it twice as high requires...
Disorder
Near a maximum
Difference in the sped of light in water vs. air
Twice the work
20. Neglecting air resistance - a ball in free fall near the earth's surface will have...
First principle of Centripetal force
263 degrees kelvin
Mechanical - chemical - and radiant energy
Increasing speed and constant acceleration
21. The larger the centripetal force - the faster an object travels in a circle of a given size
Remains unchanged
Total internal energy of an object
Second principle of Centripetal force
Universal
22. Circular motion requires centripetal force
Decreased
First principle of Centripetal force
Movement
Waves and particles
23. Electromagnetic radiation can be viewed as...
Waves and particles
Third principle of Centripetal force
Twice the work
Difference in the sped of light in water vs. air
24. Which is not one of the fundamental forces of nature...
Heat of fusion
Universal
First principle of Centripetal force
Mechanical - chemical - and radiant energy
25. From the 50's and to the 70's - the pH of rain in the northeast had..
Total internal energy of an object
Near a maximum
Less on the moon
Decreased
26. Entropy refers to...
Disorder
Movement
First principle of Centripetal force
Difference between the heat supplied and the heat exhausted
27. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Third principle of Centripetal force
Increasing speed and constant acceleration
263 degrees kelvin
Heat of fusion
28. Electrical energy can be converted to...
Newtons second principle of Universal Gravitation
Mechanical - chemical - and radiant energy
Difference between the heat supplied and the heat exhausted
Difference in the sped of light in water vs. air
29. Increasing the frequency of light
Third principle of Centripetal force
Increases the energy
Means less power is transmitted
Difference in the sped of light in water vs. air
30. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Third principle of Centripetal force
Halogen radicals interfering in ozone synthesis
Remains unchanged
Mechanical - chemical - and radiant energy
31. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
Increases the energy
Difference between the heat supplied and the heat exhausted
5 m/s
Second principle of Centripetal force